SB20250502135 - Use-after-free in Linux kernel netfilter
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502135
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-49919)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nft_commit_release() and nf_tables_commit() functions in net/netfilter/nf_tables_api.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/26b5934ff4194e13196bedcba373cd4915071d0e
- https://git.kernel.org/stable/c/4ab6f96444e936f5e4a936d5c0bc948144bcded3
- https://git.kernel.org/stable/c/6044791b7be707fd0e709f26e961a446424e5051
- https://git.kernel.org/stable/c/74fd5839467054cd9c4d050614d3ee8788386171
- https://git.kernel.org/stable/c/b2d7a92aff0fbd93c29d2aa6451fb99f050e2c4e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.154